20722980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{607}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 58222080

約数和(自身を除く): 37499100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 569, 607, 1138, 1214, 1707, 1821, 2276, 2428, 2845, 3035, 3414, 3642, 5690, 6070, 6828, 7284, 8535, 9105, 11380, 12140, 17070, 18210, 34140, 36420, 345383, 690766, 1036149, 1381532, 1726915, 2072298, 3453830, 4144596, 5180745, 6907660, 10361490, 20722980]

約数ペア:

[(1, 20722980), (2, 10361490), (3, 6907660), (4, 5180745), (5, 4144596), (6, 3453830), (10, 2072298), (12, 1726915), (15, 1381532), (20, 1036149), (30, 690766), (60, 345383), (569, 36420), (607, 34140), (1138, 18210), (1214, 17070), (1707, 12140), (1821, 11380), (2276, 9105), (2428, 8535), (2845, 7284), (3035, 6828), (3414, 6070), (3642, 5690)]